Loss-in-weight feeder system
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United States of America Patent
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Nov 21, 1989
Grant Date -
N/A
app pub date -
Nov 4, 1987
filing date -
Nov 4, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A loss-in-weight feeder for discharging a flowable substance from a reservoir through a controllable discharge member under regulated conditions is comprised of a scale for producing signals representative of the weight of material in the feeder, such weight signals being digitized by a digital converter, the output of which accumulated and fed into a computer and storage device for establishing the actual rate of the feeder, comparing the actual feed rate with a desired feed rate input into the storage device, and developing a correction signal based on any deviation between the actual and desired feed rates and applied to the feeder to adjust the actual feed rate through the discharge member.
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